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COMEDK2018PhysicsNuclear Physics

The ratio of the nuclear radii of elements with mass numbers 216 and 125 is

Options

  1. A216: 125
  2. B216 : 125
  3. C6: 5
  4. DNone of these

Correct answer

C. 6: 5

Step-by-step solution

Nuclear radius and mass number A are related with following relation, Energy released per fission, aligned E₁ &=200 MeV &=200 10⁶ 1.6 10⁻¹⁹ ~J &=320 10⁻¹³ ~J &=3.2 10⁻¹¹ ~J aligned The rate of fission R is given as aligned &R= P₀ E₁ &= 1.6 10⁶ 3.2 10⁻¹¹ &=0.5 10¹⁷=5 10¹⁶ / s aligned

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